constexpr bool has_value() const { return Storage.has_value(); }
constexpr const T *operator->() const { return &Storage.value(); }
T *operator->() { return &Storage.value(); }
- constexpr const T &operator*() const & { return value(); }
- T &operator*() & { return value(); }
+ constexpr const T &operator*() const & { return Storage.value(); }
+ T &operator*() & { return Storage.value(); }
template <typename U> constexpr T value_or(U &&alt) const & {
- return has_value() ? value() : std::forward<U>(alt);
+ return has_value() ? operator*() : std::forward<U>(alt);
}
T &&value() && { return std::move(Storage.value()); }
T &&operator*() && { return std::move(Storage.value()); }
template <typename U> T value_or(U &&alt) && {
- return has_value() ? std::move(value()) : std::forward<U>(alt);
+ return has_value() ? std::move(operator*()) : std::forward<U>(alt);
}
};
"Default construction and hasValue() are contexpr");
constexpr auto y1 = Optional<int>(3);
constexpr Optional<int> y2{3};
- static_assert(y1.value() == y2.value() && y1.value() == 3,
+ static_assert(*y1 == *y2 && *y1 == 3,
"Construction with value and getValue() are constexpr");
- static_assert(y1.value() == y2.value() && y1.value() == 3,
+ static_assert(*y1 == *y2 && *y1 == 3,
"Construction with value and getValue() are constexpr");
static_assert(Optional<int>{3} >= 2 && Optional<int>{1} < Optional<int>{2},
"Comparisons work in constexpr");